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Add copy_iterator lint (#1534) #2924

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merged 1 commit into from Aug 24, 2018

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@niklasf
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niklasf commented Jul 17, 2018

This is the easier part of #1534, i.e. detecting when Copy and Iterator are implemented on the same type.

@flip1995

Thanks for implementing this! Sorry for the long wait time until this review. This completely slipped through..

Just a small NIT, everything else LGTM. (Probably needs a rebase)

let ty = cx.tcx.type_of(cx.tcx.hir.local_def_id(item.id));
if is_copy(cx, ty) && match_path(&trait_ref.path, &paths::ITERATOR) {
span_lint_and_then(

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flip1995 Aug 24, 2018

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You can use the utils::span_note_and_lint function here.

@niklasf niklasf force-pushed the niklasf:copy-iterator branch from c32ba5e to afdf350 Aug 24, 2018

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niklasf commented Aug 24, 2018

Thanks. Rebased + using span_note_and_lint now.

@flip1995

Thanks! Waiting for the new nightly and CI pass.

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flip1995 commented Aug 24, 2018

Oh nvm. Already passed 😄

@flip1995 flip1995 merged commit 72344f4 into rust-lang:master Aug 24, 2018

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